English operator: Panoramio described at URL: https://web.archive.org/web/20161021003448/http://www.panoramio.com/photo/50835872...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012122750/http://www.panoramio.com/photo/9332932...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014052956/http://www.panoramio.com/photo/28231337...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019144334/http://www.panoramio.com/photo/57560574...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029201842/http://www.panoramio.com/photo/107657576 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019034641/http://www.panoramio.com/photo/19515501...
archive.org/web/20161014161703/http://www.panoramio.com/user/3298094?with_photo_id=34255068 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161026220411/http://www.panoramio.com/user/3712246?with_photo_id=85562747 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024194745/http://www.panoramio.com/photo/85526074...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015123951/http://www.panoramio.com/photo/33609349...